Home / 641,922-897,419

Finding the Third Proportional to 641,922 and 897,419

Calculator

Solution

The third proportional to 641,922 and 897,419 is: 1,254,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,922 : 897,419 = 897,419 : x
  2. Step 2: Convert to fraction form
    641,922/897,419 = 897,419/x
  3. Step 3: Cross multiply
    641,922x = 897,419 × 897,419
  4. Step 4: Simplify right side
    641,922x = 805,360,861,561
  5. Step 5: Solve for x
    x = 805,360,861,561/641,922
  6. Step 6: Final answer
    x = 1,254,608.60

Related Problems

Find third proportional to 320,961 and 448,709.50
Half scale
Find third proportional to 1,283,844 and 1,794,838
Double scale
Find third proportional to 641,924 and 897,422
Similar ratio
Find third proportional to 962,883 and 1,346,128.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.